linux-kernel - RE: [E1000-devel] 2.6.39.2: skb_over_panic: kernel BUG at net/core/skbuff.c:127!

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Date:	Mon, 27 Jun 2011 22:13:44 +0000
From:	"Ronciak, John" <john.ronciak@...el.com>
To:	Justin Piszcz <jpiszcz@...idpixels.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Subject: RE: [E1000-devel] 2.6.39.2: skb_over_panic: kernel BUG at
	net/core/skbuff.c:127!

Sorry to hear of your problem.  Please do not try to relate something that happened on REHL4 to something that is happening in the 2.6.39 .2 kernel.

Is the problem reproducible?  If so, does this happen every time? What interface had what HW associated with it?  The info included below doesn't say.  What in type of traffic was happening on eth2?

Cheers,
John


> -----Original Message-----
> From: Justin Piszcz [mailto:jpiszcz@...idpixels.com]
> Sent: Monday, June 27, 2011 2:49 PM
> To: linux-kernel@...r.kernel.org
> Cc: e1000-devel@...ts.sourceforge.net
> Subject: [E1000-devel] 2.6.39.2: skb_over_panic: kernel BUG at
> net/core/skbuff.c:127!
> 
> Hi,
> 
> Looks like I am not the first one:
> https://bugzilla.redhat.com/show_bug.cgi?id=429868
> 
> Any thoughts on this one?
> http://home.comcast.net/~jpiszcz/20110627/IMG_2703.JPG
> 
> Rough transcription:
> 
> skb_over_panic: text:ffffffff813d711c len:44117 put:44117
> head:ffff880415d40000 data:ffff880415d40040 tail:0xac95 end:0x640
> dev:eth2
> -- [ cut here ] ---
> kernel BUG at net/core/skbuff.c:127!
> invalid opcode: 0000 [#1] SMP
> 
> Was playing a video over samba (eth0) and then the kernel panic'd on
> eth2?
> 
> I use all INTEL controllers:
> 
> 00:19.0 Ethernet controller: Intel Corporation 82578DC Gigabit Network
> Connection (rev 05) 01:00.0 Ethernet controller: Intel Corporation
> 82598EB 10-Gigabit AT2 Server Adapter (rev 01) 03:00.0 Ethernet
> controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
> 03:00.1 Ethernet controller: Intel Corporation 82580 Gigabit Network
> Connection (rev 01)
> 03:00.2 Ethernet controller: Intel Corporation 82580 Gigabit Network
> Connection (rev 01)
> 03:00.3 Ethernet controller: Intel Corporation 82580 Gigabit Network
> Connection (rev 01)
> 
> Justin.
> 
> 
> -----------------------------------------------------------------------
> -------
> All of the data generated in your IT infrastructure is seriously
> valuable.
> Why? It contains a definitive record of application performance,
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> _______________________________________________
> E1000-devel mailing list
> E1000-devel@...ts.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/e1000-devel
> To learn more about Intel&#174; Ethernet, visit
> http://communities.intel.com/community/wired
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